Old Main Street Tertiary Plan


Municipal Office

395 Mulock Drive P.O. Box 328 Station Main, Newmarket, Ontario
L3Y 4X7

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​​Newmarket is poised for growth. While the majority of this will occur through the redevelopment of the Davis Drive and Yonge Street corridors, there are still other areas of Town which are facing development interest. One of these areas is the neighbourhood of Old Main Street. As such the Town is undertaking an investigation into​ how much redevelopment can be supported in the area through a Tertiary Plan process.

What is a Tertiary Plan?

A Tertiary Plan is a policy document which sets out guidelines for development within a certain, small and specific area within the municipality. Tertiary Plans consider all of the planning elements that official plan and secondary plans speak to, such as density, unit type and housing mix, and land use. Engineering elements such as servicing capacity, road networks, stormwater management are also considered. Natural heritage and natural hazard features, such as wooded areas, potential steep slopes, and the flood plain area could all be studied.

For more information on the Old Main Street Tertiary Plan , please view one of the sections below:

The MotivationThe consultation 



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